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| author |   Christoph Hellwig <hch@infradead.org> | 2011-06-24 14:29:44 -0400 |
|---|---|---|
| committer |   Al Viro <viro@zeniv.linux.org.uk> | 2011-07-20 20:47:47 -0400 |
| commit | 11b80f459adaf91a712f95e7734a17655a36bf30 (patch) | |
| tree | b325ce2cb09cbe9e7d98879c71054621dbb97c3c | |
| parent | fs: kill i_alloc_sem (diff) | |
| download | linux-dev-11b80f459adaf91a712f95e7734a17655a36bf30.tar.xz linux-dev-11b80f459adaf91a712f95e7734a17655a36bf30.zip | |
rw_semaphore: remove up/down_read_non_owner
Now that the last users is gone these can be removed.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | include/linux/rwsem.h | 10 | ||||
| -rw-r--r-- | kernel/rwsem.c | 16 |
2 files changed, 0 insertions, 26 deletions
diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h index a8afe9cd000c..77950dfa0a9e 100644 --- a/include/linux/rwsem.h +++ b/include/linux/rwsem.h @@ -124,19 +124,9 @@ extern void downgrade_write(struct rw_semaphore *sem); */ extern void down_read_nested(struct rw_semaphore *sem, int subclass); extern void down_write_nested(struct rw_semaphore *sem, int subclass); -/* - * Take/release a lock when not the owner will release it. - * - * [ This API should be avoided as much as possible - the - * proper abstraction for this case is completions. ] - */ -extern void down_read_non_owner(struct rw_semaphore *sem); -extern void up_read_non_owner(struct rw_semaphore *sem); #else # define down_read_nested(sem, subclass) down_read(sem) # define down_write_nested(sem, subclass) down_write(sem) -# define down_read_non_owner(sem) down_read(sem) -# define up_read_non_owner(sem) up_read(sem) #endif #endif /* _LINUX_RWSEM_H */ diff --git a/kernel/rwsem.c b/kernel/rwsem.c index cae050b05f5e..176e5e56ffab 100644 --- a/kernel/rwsem.c +++ b/kernel/rwsem.c @@ -117,15 +117,6 @@ void down_read_nested(struct rw_semaphore *sem, int subclass) EXPORT_SYMBOL(down_read_nested); -void down_read_non_owner(struct rw_semaphore *sem) -{ - might_sleep(); - - __down_read(sem); -} - -EXPORT_SYMBOL(down_read_non_owner); - void down_write_nested(struct rw_semaphore *sem, int subclass) { might_sleep(); @@ -136,13 +127,6 @@ void down_write_nested(struct rw_semaphore *sem, int subclass) EXPORT_SYMBOL(down_write_nested); -void up_read_non_owner(struct rw_semaphore *sem) -{ - __up_read(sem); -} - -EXPORT_SYMBOL(up_read_non_owner); - #endif |